Probability Review

Lucy has the spinner pictured and spins it twice in a row. What is the probability that she lands on blue first and then on yellow or green? Simplify.

• 1 / 16

• 1 ⁄ 6

• 1 ⁄ 8

• 3 ⁄ 4

Use the table to determine the probability of selecting a marble OR a green item.

Use the table to determine the probability of selecting a marble OR a green item.

Find the missing values in the two-way table

• 9 and 18

• 8 and 18

• 5 and 23

• 8 and 16

Use the table to determine the probability of selecting a red item OR a marble.

What is the overall probability of selecting someone who prefers a ford?

Overall, which activity is more popular?

• Watching TV

• Reading

• Neither

• They are equal.

A number cube is rolled. What is the probability of getting a 6 or a number less than 3? Simplify.

• 1/3

• 1/12

• 1/2

• 1/18

Sam is fishing in a new pond that was just stocked with 3 bluegill, 4 catfish, 7 bass, and 2 carp. What is the probability that he caught a bluegill or a carp? Simplify.

• 1/40

• 1/8

• 3/124

• 5/16

A number cube is rolled twice. What is the probability of getting a 6 on the first roll, then a number less than 5 on the second roll? 

• 2/3

• 5/36

• 1/9

• 1/36